Viessmann Vitocrossal 200 Series Service Instructions Manual page 29

Control cables connection diagram
115 to 311 kW
A
L=50
L=209
+
-
B
-
+ C
L=490
Fig. 29
Gas train
A
Air pressure switch 2
B
Air pressure switch 1
C
Solenoid valve
D
Burner door
E
Venturi mixing pipe
F
D
L=300
G
L=120
L=326
L=105
Commissioning, inspection, maintenance
(cont.)
E
H
L=255
F
L=400
Enriching nozzle
G
115/142 kW - 1 mm
186 kW - 0.5 mm
246/311 kW - 1 mm
Fan
H
L=260
29